Home / 89,526.02-123,482.68-76,004.21

Finding the Fourth Proportional to 89,526.02, 123,482.68 and 76,004.21

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Solution

The fourth proportional to 89,526.02, 123,482.68 and 76,004.21 is: 104,832.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,526.02 : 123,482.68 = 76,004.21 : x
  2. Step 2: Convert to fraction form
    89,526.02/123,482.68 = 76,004.21/x
  3. Step 3: Cross multiply
    89,526.02x = 123,482.68 × 76,004.21
  4. Step 4: Simplify right side
    89,526.02x = 9,385,203,660.78
  5. Step 5: Solve for x
    x = 9,385,203,660.78/89,526.02
  6. Step 6: Final answer
    x = 104,832.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.